The document discusses security challenges in cloud computing. It identifies issues such as losing control over physical security, incompatible services between vendors, controlling encryption keys, ensuring data integrity, and having proper failover technology. It also lists several aspects of security that must be addressed for software-as-a-service, including privileged user access, regulatory compliance, data location, recovery, and long-term viability. Finally, it outlines security management practices that should be followed, such as risk assessment, secure development practices, monitoring, and physical security controls.